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Sibling Similarity in Education Across and Within Societies
Michael Grätz1,2, Kieron J Barclay3,4,5, Øyvind N Wiborg6,7
1Institut des sciences sociales, University of Lausanne, Lausanne, Switzerland.
Demography
|April 21, 2021
Summary
Sibling similarity in education reflects family background
Area of Science:
- Sociology
- Economics
- Education
Background:
- Sibling resemblance quantifies family background's impact on life outcomes.
- Understanding educational inequality requires examining family influence across diverse societies.
Purpose of the Study:
- To compare sibling similarity in cognitive skills, school grades, and educational attainment across six countries.
- To analyze how parental socioeconomic status modifies sibling similarity in education within these nations.
Main Methods:
- Cross-national comparative analysis of sibling correlations.
- Examination of sibling similarity stratified by parental education and occupation.
Main Results:
- Educational attainment shows greater population-level variation in sibling similarity than cognitive skills or grades.
- The United States exhibits higher sibling similarity in cognitive skills and educational attainment compared to Scandinavian countries.
- Socioeconomic factors significantly influence sibling similarity in education, with variations across countries and parental resources.
Conclusions:
- Family background's impact on educational trajectories varies significantly across countries and socioeconomic strata.
- Findings inform theories on how institutions and income inequality shape educational disparities.
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